Question: What is Joseph Brodsky's country of citizenship that ended in 1972?
Paraphrase: What country did Joseph Bodsky belong to that ended in 1972?
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q862 p:P27 ?s . ?s ps:P27 ?obj . ?s pq:P582 ?x filter(contains(YEAR(?x),'1972')) }